Question: What position held of Miguel de la Madrid that is start time is 1999-1-1 ?
Paraphrase: Starting in 1999-1-1, what position was held by Miguel de la Madrid?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q296691 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1999')) }